<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			/*.html,.boss{width:100%;height: 100%;}*/
			{margin:0;padding:0;}
		html,body{margin:0; height:100%;}
		.left,.right{position:absolute; top:0; width:200px; height:100%;}
		.left{left:0; background:#a0b3d6;}
		.right{right:0; background:#a0b3d6;}
		.main{margin:0 210px; background:#ffe6b8; height:100%;}
</style>
	</head>
	
	<body>
	<div class="header"></div>
<div class="boss clear">
	<div class="left"></div>
	<div class="main"></div>
	<div class="right"></div>
</div>
     <div class="footer"></div>
	</body>
</html>
